Home / 1,897.26-2,616.75-1,266.66

Finding the Fourth Proportional to 1,897.26, 2,616.75 and 1,266.66

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Solution

The fourth proportional to 1,897.26, 2,616.75 and 1,266.66 is: 1,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.26 : 2,616.75 = 1,266.66 : x
  2. Step 2: Convert to fraction form
    1,897.26/2,616.75 = 1,266.66/x
  3. Step 3: Cross multiply
    1,897.26x = 2,616.75 × 1,266.66
  4. Step 4: Simplify right side
    1,897.26x = 3,314,532.56
  5. Step 5: Solve for x
    x = 3,314,532.56/1,897.26
  6. Step 6: Final answer
    x = 1,747.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.